But it can additionally be used to note an abundance or an overabundance

Such as ... You are destroying your credibility because you smoke too much crack.

But the above sentence is itself, too, an example of subtle hyperbole; your credibility is not destroyed due to a smoking of too much crack, but due to the smoking of crack itself.

In fact, this entire post, too, is itself, an example of too much rhetorical hyperbole; there is too much use of the word too to illustrate an all too easy point to understand. In other words: I spoke too well and too much to prove a point, and therefore, should have spoken less. You should too.